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StoragePropAbilityPage.ets</font>
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<pre><span class="s0">/* 
 * Copyright (c) 2023 Huawei Device Co., Ltd. 
 * Licensed under the Apache License, Version 2.0 (the &quot;License&quot;); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at 
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an &quot;AS IS&quot; BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License. 
 */</span>

<span class="s1">import </span><span class="s2">{ </span><span class="s1">CodeView </span><span class="s2">} </span><span class="s1">from </span><span class="s3">'../../../commoncomponents/CodeView'</span><span class="s4">;</span>
<span class="s1">import </span><span class="s2">{ </span><span class="s1">ViewCodeText </span><span class="s2">} </span><span class="s1">from </span><span class="s3">'../../../commoncomponents/ViewCodeText'</span><span class="s4">;</span>
<span class="s1">import </span><span class="s2">{ </span><span class="s1">TitleBarDark </span><span class="s2">} </span><span class="s1">from </span><span class="s3">'../../../commoncomponents/TitleBarDark'</span><span class="s4">;</span>
<span class="s1">import </span><span class="s2">{ </span><span class="s1">TitleBar </span><span class="s2">} </span><span class="s1">from </span><span class="s3">'../../../commoncomponents/TitleBar'</span><span class="s4">;</span>

<span class="s5">@</span><span class="s1">Entry</span>
<span class="s5">@</span><span class="s1">Component</span>
<span class="s1">struct StoragePropAbilityPage </span><span class="s2">{</span>
  <span class="s5">@</span><span class="s1">State title</span><span class="s4">: </span><span class="s1">Resource </span><span class="s4">= </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.abilityone_page'</span><span class="s6">)</span><span class="s4">;</span>
  <span class="s0">// Initializes the Slider minimum</span>
  <span class="s1">private minFontSize</span><span class="s4">: </span><span class="s1">number </span><span class="s4">= </span><span class="s7">10</span><span class="s4">;</span>
  <span class="s0">// Bidirectional synchronization of night mode status with home page and Ability2 page</span>
  <span class="s5">@</span><span class="s1">StorageLink</span><span class="s6">(</span><span class="s3">'currentModelStatus'</span><span class="s6">) </span><span class="s1">currentModelStatus</span><span class="s4">: </span><span class="s1">boolean </span><span class="s4">= </span><span class="s1">true</span><span class="s4">;</span>
  <span class="s0">// Unidirectional synchronization of content font size with home page and Ability2 page</span>
  <span class="s5">@</span><span class="s1">StorageProp</span><span class="s6">(</span><span class="s3">'contentFontSize'</span><span class="s6">) </span><span class="s1">contentFontSize</span><span class="s4">: </span><span class="s1">number </span><span class="s4">= </span><span class="s7">18</span><span class="s4">;</span>

  <span class="s1">build</span><span class="s6">() </span><span class="s2">{</span>
    <span class="s1">Column</span><span class="s6">() </span><span class="s2">{</span>
      <span class="s1">if </span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus</span><span class="s6">) </span><span class="s2">{</span>
        <span class="s1">TitleBarDark</span><span class="s6">(</span><span class="s2">{ </span><span class="s1">title</span><span class="s4">: </span><span class="s1">$title</span><span class="s4">, </span><span class="s1">isAbility</span><span class="s4">: </span><span class="s1">true </span><span class="s2">}</span><span class="s6">)</span>
      <span class="s2">} </span><span class="s1">else </span><span class="s2">{</span>
        <span class="s1">TitleBar</span><span class="s6">(</span><span class="s2">{ </span><span class="s1">title</span><span class="s4">: </span><span class="s1">$title</span><span class="s4">, </span><span class="s1">isAbility</span><span class="s4">: </span><span class="s1">true </span><span class="s2">}</span><span class="s6">)</span>
      <span class="s2">}</span>
      <span class="s1">CodeView</span><span class="s6">(</span><span class="s2">{ </span><span class="s1">title</span><span class="s4">: </span><span class="s1">$title</span><span class="s4">, </span><span class="s1">isShowTitle</span><span class="s4">: </span><span class="s1">false </span><span class="s2">}</span><span class="s6">) </span><span class="s2">{</span>
        <span class="s1">Column</span><span class="s6">(</span><span class="s2">{ </span><span class="s1">space</span><span class="s4">: </span><span class="s7">20 </span><span class="s2">}</span><span class="s6">) </span><span class="s2">{</span>
          <span class="s0">// View source code</span>
          <span class="s1">ViewCodeText</span><span class="s6">(</span><span class="s2">{ </span><span class="s1">webSrc</span><span class="s4">: </span><span class="s1">$rawfile</span><span class="s6">(</span><span class="s3">'StoragePropAbilityPage.ets.html'</span><span class="s6">) </span><span class="s2">}</span><span class="s6">)</span>
          <span class="s1">Text</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.both_data_binding'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">textAlign</span><span class="s6">(</span><span class="s1">TextAlign</span><span class="s4">.</span><span class="s1">Center</span><span class="s6">)</span>
          <span class="s1">Text</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.single_data_binding'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">textAlign</span><span class="s6">(</span><span class="s1">TextAlign</span><span class="s4">.</span><span class="s1">Center</span><span class="s6">)</span>
          <span class="s1">Button</span><span class="s6">() </span><span class="s2">{</span>
            <span class="s1">Text</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.close_nightmode'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.start_nightmode'</span><span class="s6">))</span>
              <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.button_text_color'</span><span class="s6">))</span>
              <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s6">)</span>
              <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'60%'</span><span class="s6">)</span>
              <span class="s4">.</span><span class="s1">textAlign</span><span class="s6">(</span><span class="s1">TextAlign</span><span class="s4">.</span><span class="s1">Center</span><span class="s6">)</span>
          <span class="s2">}</span>
          <span class="s4">.</span><span class="s1">padding</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.float.page_padding'</span><span class="s6">))</span>
          <span class="s4">.</span><span class="s1">type</span><span class="s6">(</span><span class="s1">ButtonType</span><span class="s4">.</span><span class="s1">Capsule</span><span class="s6">)</span>
          <span class="s4">.</span><span class="s1">backgroundColor</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.button_background_color'</span><span class="s6">))</span>
          <span class="s4">.</span><span class="s1">onClick</span><span class="s6">(() </span><span class="s4">=&gt; </span><span class="s2">{</span>
            <span class="s0">// The variables that control the night mode status are updated. The data variables associated with @StorageLink and @StorageProp are refreshed</span>
            <span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">= !</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus</span><span class="s4">;</span>
          <span class="s2">}</span><span class="s6">)</span>

          <span class="s1">Text</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.nigntmode_both_binding'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">textAlign</span><span class="s6">(</span><span class="s1">TextAlign</span><span class="s4">.</span><span class="s1">Center</span><span class="s6">)</span>
          <span class="s0">// The slider module controls the font size</span>
          <span class="s1">Column</span><span class="s6">() </span><span class="s2">{</span>
            <span class="s1">Text</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.fontSize_text'</span><span class="s6">))</span>
              <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s6">)</span>
              <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
              <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
              <span class="s4">.</span><span class="s1">textAlign</span><span class="s6">(</span><span class="s1">TextAlign</span><span class="s4">.</span><span class="s1">Center</span><span class="s6">)</span>
            <span class="s1">Row</span><span class="s6">() </span><span class="s2">{</span>
              <span class="s1">Text</span><span class="s6">(</span><span class="s3">`</span><span class="s2">${</span><span class="s1">this</span><span class="s4">.</span><span class="s1">minFontSize</span><span class="s2">}</span><span class="s3">`</span><span class="s6">)</span>
                <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
                <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.float.tips_font_size'</span><span class="s6">))</span>
              <span class="s1">Slider</span><span class="s6">(</span><span class="s2">{</span>
                <span class="s1">value</span><span class="s4">: </span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s4">,</span>
                <span class="s1">min</span><span class="s4">: </span><span class="s1">this</span><span class="s4">.</span><span class="s1">minFontSize</span><span class="s4">, </span><span class="s0">// slider最小值</span>
                <span class="s1">max</span><span class="s4">: </span><span class="s7">30</span><span class="s4">, </span><span class="s0">// slider最大值</span>
                <span class="s1">style</span><span class="s4">: </span><span class="s1">SliderStyle</span><span class="s4">.</span><span class="s1">OutSet</span>
              <span class="s2">}</span><span class="s6">)</span>
                <span class="s4">.</span><span class="s1">showTips</span><span class="s6">(</span><span class="s1">true</span><span class="s6">)</span>
                <span class="s4">.</span><span class="s1">onChange</span><span class="s6">((</span><span class="s1">value</span><span class="s4">: </span><span class="s1">number</span><span class="s4">, </span><span class="s1">mode</span><span class="s4">: </span><span class="s1">SliderChangeMode</span><span class="s6">) </span><span class="s4">=&gt; </span><span class="s2">{</span>
                  <span class="s0">// Variable data controlling font size was updated. Data variables associated with @StorageLink were not updated and synchronized</span>
                  <span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize </span><span class="s4">= </span><span class="s1">value</span><span class="s4">;</span>
                <span class="s2">}</span><span class="s6">)</span>
              <span class="s0">// toFixed(0) treats the slider return value to integer precision</span>
              <span class="s1">Text</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s4">.</span><span class="s1">toFixed</span><span class="s6">(</span><span class="s7">0</span><span class="s6">))</span>
                <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
                <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.float.tips_font_size'</span><span class="s6">))</span>
            <span class="s2">}</span>
            <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'80%'</span><span class="s6">)</span>
          <span class="s2">}</span><span class="s4">.</span><span class="s1">margin</span><span class="s6">(</span><span class="s2">{ </span><span class="s1">top</span><span class="s4">: </span><span class="s7">50 </span><span class="s2">}</span><span class="s6">)</span>

          <span class="s1">Text</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.string.single_fontsize_binding'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">fontSize</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">contentFontSize</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">fontColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.color_white'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.tips_font_color'</span><span class="s6">))</span>
            <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
            <span class="s4">.</span><span class="s1">textAlign</span><span class="s6">(</span><span class="s1">TextAlign</span><span class="s4">.</span><span class="s1">Center</span><span class="s6">)</span>
        <span class="s2">}</span>
        <span class="s4">.</span><span class="s1">padding</span><span class="s6">(</span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.float.page_padding'</span><span class="s6">))</span>
      <span class="s2">}</span>
    <span class="s2">}</span>
    <span class="s4">.</span><span class="s1">width</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
    <span class="s4">.</span><span class="s1">height</span><span class="s6">(</span><span class="s3">'100%'</span><span class="s6">)</span>
    <span class="s4">.</span><span class="s1">backgroundColor</span><span class="s6">(</span><span class="s1">this</span><span class="s4">.</span><span class="s1">currentModelStatus </span><span class="s4">? </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.nightnode_color'</span><span class="s6">) </span><span class="s4">: </span><span class="s1">$r</span><span class="s6">(</span><span class="s3">'app.color.background_shallow_grey'</span><span class="s6">))</span>
  <span class="s2">}</span>

  <span class="s1">aboutToDisappear</span><span class="s6">() </span><span class="s2">{</span>
    <span class="s1">AppStorage</span><span class="s4">.</span><span class="s1">SetOrCreate</span><span class="s6">(</span><span class="s3">'sideBarShow'</span><span class="s4">, </span><span class="s1">false</span><span class="s6">)</span><span class="s4">;</span>
  <span class="s2">}</span>
<span class="s2">}</span></pre>
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